Watts 757NDCDA-OSY-CFM 6 - Part of the 757DCDA Series silt-fence-selector trap prime trapping

trap prime trapping

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 2 IN Outlet Connection Type Female Threaded Outlet Shutoff Valve Type Quarter Turn Ball Valve Outlet Thread Type NPT Part Number 0063210 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Rubber Series 007 Strainer No Technologies Does Not Apply To Product Tradename None Specification Sheet - 007 Sizes 1/2 - 2 IN

and is used for pressure-relief service only

ZB1910-3NL

Watts 757NDCDA-OSY-CFM 6 - Part of the 757DCDA Series silt-fence-selector trap prime trappingThis 6 IN, N pattern, double check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. Its compact housing consists of two independently operating tri link check valves, two shutoff valves, and four test cocks. It has a cubic foot meter. It features a stainless steel housing and sleeve and is 70 percent lighter than traditional designs. It is